The Seiko Y709-4000 is a watch model based on the Y709 movement.
Parts List
| ES0W38GM01 | crystal |
| ES0W38GM02 | crystal |
| ES0W38GM03 | crystal |
| FH3081B01 | case back gasket |
| 86178860 | crystal gasket |
| 80611969 | pusher |
| GA870 | band - metal band |
| DZ0885B0A | others - gasket |
| A200CS | others - push pin |
| 0A0110B01 | others |
Other models with the same movement
| Y709-4019 |
| Y709-4020 |
| Y709-4039 |
| Y709-4040 |
| Y709-4069 |
| Y709-4079 |
| Y709-4089 |
| Y709-4090 |
| Y709-5000 |
| Y709-5019 |
| Y709-5020 |
| Y709-5049 |
| Y709-5050 |